Aug. 15, 2013
New research shows that an asteroid exploding over Russia earlier this year created a belt of 'meteor dust' that circulated through the stratosphere for at least three months.
Aug. 5, 2013
Something big is happening on the sun. The sun's global magnetic field is poised to reverse polarity, a sign that Solar Max has arrived.
Aug. 3, 2013
NASA's Hubble Space Telescope has detected a new kind of stellar blast called a kilonova, which happens when a pair of compact objects such as neutron stars crash together.
July 26, 2013
New research by NASA's Meteoroid Environment Office shows that one meteor shower produces more fireballs than any other--the Perseids. This year's Perseid peak is just around the corner on August 12-13.
July 23, 2013
Images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space.
July 21, 2013
Saturn's giant moon Titan is dotted with hydrocarbon lakes and seas that bear an uncanny resemblance to bodies of water on Earth. Strangely, though, on Titan there are no waves. In this week's story, planetary scientist Alex Hayes discusses the mysterious flatness of Titan's liquid bodies and predicts a sea-change in the near future.
July 17, 2013
Consider it the first interplanetary photobomb. On July 19th, NASA's Cassini spacecraft will photograph Earth through the rings of Saturn--and NASA wants you to jump into the shot.
July 15, 2013
NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune, the 14th known to be circling the giant planet.
July 15, 2013
Drinking coffee in space is surprisingly tricky. Physicists researching the strange behavior of fluids onboard the International Space Station have invented a zero-g coffee cup to make the morning "cuppa Joe" a little easier to swallow.
July 11, 2013
Astronomers working with NASA's Hubble Space Telescope have deduced the actual color of a planet orbiting another star 63 light-years away. The planet is HD 189733b, and its color is cobalt blue. If seen directly, this planet would look like a deep blue dot, reminiscent of Earth's color as seen from space.